Used to tighten the drill chuck attached to the cockpit base. You can use it comfortably with the right size. I am grateful that the price is a little cheaper, but maybe this is also. The reason why you do not want to continue purchasing is because you are not losing it so it is not complaining about the feeling of use.

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All of the products MonotaRO Singapore offers are subject to Japanese local laws, regulations, and certification standards.
Please make sure that it may or may not meet requirements of your country and/or international organizations,
including but not limited to, UL Certification, China Compulsory Certificate system, and Halal.
MonotaRO Co.,Ltd. Hyogo Public Safety Commission No.631330800020